After-Hours Buzz: GMCR, GRPN, ATVI & More

Check out which companies are making headlines after the bell Wednesday:

Green Mountain Coffee - The gourmet coffee company posted earnings of 93 cents a share, excluding one-time items, on sales of $1 billion. Analysts expected the company to post earnings of 74 cents a share on sales of $1.02 billion.

Separately, Starbucks and Green Mountain Coffee Roasters announced a five-year agreement to to triple the number of Starbucks' branded items made for Keurig single-serve coffee machines. Shares of Green Mountain shot higher after being temporarily halted in extended-hours trading, while Starbucks edged higher.

Groupon - The daily deal website posted earnings of 3 cents a share, excluding one-time items, in line with expectations, while revenue topped estimates at $601 million, topping expectations for $590 million. Meanwhile, the company handed in current-quarter sales guidance that was in the lower end of the expected range. Still, shares zipped higher in extended-hours trading.

ActivisionBlizzard - The videogame publisher posted earnings of 17 cents a share, excluding one-time items, on sales of $804 million, easily beating forecasts for 11 cents a share on sales of $705 million. Meanwhile, the company handed in current-quarter and full-year outlook that was tepid. Shares declined in extended-hours trading.

Microsoft - The software giant named Amy Hood as its CFO, succeeding Peter Klein. Hood joined the company in December 2002.

News Corp - The media company posted earnings of 36 cents a share on sales of $9.54 billion, topping expectations for 35 cents a share on sales of $9.20 billion. Shares gained in extended-hours trading.

Transocean -The offshore drilling contractor posted earnings of 93 cents a share, excluding one-time items, on sales of $2.20 billion, falling short of projections for $1 a share on revenue of $2.36 billion.

Tesla Motors - The electric car maker 12 cents a share, ex-items, on sales of $562 million, beating expectations for 4 cents a share on sales of $500 million. The automaker posted its first quarterly net profit since it was founded a decade ago. Shares rallied in extended-hours trading.

Rackspace - The Internet hosting service posted earnings of 19 cents a share on sales of $362 million. Analysts expected the company to post earnings of 17 cents a share on sales of $367 million. Shares plunged in extended-hours trading.